cxx/test/utilities/meta/meta.unary/meta.unary.prop/is_unsigned.pass.cpp
Howard Hinnant bc8d3f97eb libcxx initial import
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-11 19:42:16 +00:00

1 line
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// type_traits
// is_unsigned
#include <type_traits>
template <class T>
void test_is_unsigned()
{
static_assert( std::is_unsigned<T>::value, "");
static_assert( std::is_unsigned<const T>::value, "");
static_assert( std::is_unsigned<volatile T>::value, "");
static_assert( std::is_unsigned<const volatile T>::value, "");
}
template <class T>
void test_is_not_unsigned()
{
static_assert(!std::is_unsigned<T>::value, "");
static_assert(!std::is_unsigned<const T>::value, "");
static_assert(!std::is_unsigned<volatile T>::value, "");
static_assert(!std::is_unsigned<const volatile T>::value, "");
}
class Class
{
public:
~Class();
};
int main()
{
test_is_not_unsigned<void>();
test_is_not_unsigned<int&>();
test_is_not_unsigned<Class>();
test_is_not_unsigned<int*>();
test_is_not_unsigned<const int*>();
test_is_not_unsigned<char[3]>();
test_is_not_unsigned<char[3]>();
test_is_not_unsigned<int>();
test_is_not_unsigned<double>();
test_is_unsigned<bool>();
test_is_unsigned<unsigned>();
}